/*
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the Institute nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * This file is part of the Contiki operating system.
 *
 */
/**
 * \file
 *         border-router
 * \author
 *         Niclas Finne <nfi@sics.se>
 *         Joakim Eriksson <joakime@sics.se>
 *         Nicolas Tsiftes <nvt@sics.se>
 */

#include "contiki.h"
#include "net/routing/routing.h"
#include "dev/slip.h"
#include "rpl-border-router/rpl-border-router.h"

/*---------------------------------------------------------------------------*/
/* Log configuration */
#include "sys/log.h"
#define LOG_MODULE "BR"
#define LOG_LEVEL LOG_LEVEL_INFO

void request_prefix(void);

__WEAK void request_prefix(void)
{
    uip_ipaddr_t prefix =
    {
        .u8 = {
            0xfd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
        }
    };

    set_prefix_64(&prefix);
}

/*---------------------------------------------------------------------------*/
PROCESS(border_router_process, "Border router process");
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(border_router_process, ev, data)
{
    static struct etimer et;

    PROCESS_BEGIN();

    /* While waiting for the prefix to be sent through the SLIP connection, the future
     * border router can join an existing DAG as a parent or child, or acquire a default
     * router that will later take precedence over the SLIP fallback interface.
     * Prevent that by turning the radio off until we are initialized as a DAG root.
     */
    prefix_set = 0;
    NETSTACK_MAC.off();

    PROCESS_PAUSE();

    LOG_INFO("RPL-Border router started\n");

    /* Request prefix until it has been received */
    while (!prefix_set)
    {
        etimer_set(&et, CLOCK_SECOND);
        request_prefix();
        PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
        LOG_INFO("Waiting for prefix\n");
    }

    NETSTACK_MAC.on();

    print_local_addresses();

#if BORDER_ROUTER_CONF_WEBSERVER
    PROCESS_NAME(webserver_nogui_process);
    process_start(&webserver_nogui_process, NULL);
#endif /* BORDER_ROUTER_CONF_WEBSERVER */

    while (1)
    {
        PROCESS_YIELD();
//#if PLATFORM_SUPPORTS_BUTTON_HAL
//    if(ev == button_hal_release_event) {
//#else
//    if(ev == sensors_event && data == &button_sensor) {
//#endif
//      LOG_INFO("Initiating global repair\n");
//      NETSTACK_ROUTING.global_repair("Button press");
//    }
    }

    PROCESS_END();
}
/*---------------------------------------------------------------------------*/
